﻿// Jinx AJAX Framework
// Copyright (C) 2008 Blake Hegerle
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Core;

namespace Formality.FormalSystem
{
    public class Function : Tuple<Proposition, Series<Variable>>
    {
        public Function(Proposition Prop)
            : base(Prop, Series.New(Prop.Variables.Skip(1)))
        {
        }

        public Proposition Proposition
        {
            get { return Item1; }
        }

        public Variable Name
        {
            get { return Item1.Variables.First(); }
        }

        public Series<Variable> Arguments
        {
            get { return Item2; }
        }

        public bool Predicative
        {
            get { return Proposition.Operator == Proposition.PF_OP; }
        }
    }
}
